Core Memory Explained and Demonstrated

Ferrite core memory was the dominant computer memory technology from the 1950s to the late 1970s. Before we delve into the repair of our Apollo AGC core memory, I thought it would be good to explain how they work, as they are very different from modern semiconductor memory.

Check out our Russian core memory follow up video here: https://www.youtube.com/watch?v=7ozNMgx7WtQ

Ken Shirriff has some of the best core memory write ups I know of, here:
http://www.righto.com/2015/08/examining-core-memory-module-inside.html
This one details the AGC core memory:
http://www.righto.com/2019/01/inside-apollo-guidance-computers-core.html
We also found this page from Brent Hilpert very helpful:
http://madrona.ca/e/coremem/index.html

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Music Credits: Crinoline Dreams Kevin MacLeod (incompetech.com)
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